Liz Lemon and Tina Fey are sharing the same first name “Elizabeth”.
Elizabeth “Liz” Miervaldis Lemon and Elizabeth Stamatina “Tina” Fey are actually the whole birth names of the 30 rock main character, and the actress who plays her. Tina Fey said that only a few people from her entourage and her family still call her Elizabeth. In 30 rock, when someone calls Liz “Elizabeth” it’s either for an argument or for sexual innuendoes.NB: Miervaldis is the last name of the personal assistant of Tina Fey, Kate Miervaldis who is still working for her.